| Verb Class | Irregular | ||
|---|---|---|---|
| Stem | su - | ||
| Gerund | shite | ||
| This is for a guide only. Please double-check if you need to use the information for something important. I've done my best to get everything right but like any self respecting software there may be bugs in it! . | |||
| Positive | Negative | ||
| Present Indicative | Plain | chumon suru | chumon shinai |
| Polite | chumon shimasu | chumon shimasen | |
| Past Indicative | Plain | chumon shita | chumon shinakatta |
| Polite | chumon shimashita | chumon shimasen deshita | |
| Presumptive | Plain |
chumon shiyō chumon suru darō |
chumon shinai darō |
| Polite |
chumon shimashō chumon suru deshō |
chumon shinai deshō | |
| Past Presumptive | Plain |
chumon shitarō chumon shita darō |
chumon shinakatta darō |
| Polite | chumon shimashitarō | chumon shinakatta deshō | |
| Present Progressive | Plain | ||
| Polite | chumon shite imasu | chumon shite imasen | |
| Past Progressive | Plain | ||
| Polite | chumon shite imashita | chumon shite imasen deshita | |
| Provisional | Plain | chumon sureba | chumon shinakereba |
| Polite |
chumon shimaseba chumon shimasureba |
chumon shimasen nara | |
| Conditional | Plain | chumon shitara | chumon shinakattara |
| Polite |
chumon chumon shimashitara |
chumon shimasen deshitara | |
| Potential | Plain | chumon dekiru | chumon dekinai |
| Polite | chumon dekimasu | chumon dekimasen | |
| Causative | Plain | chumon saseru | |
| Polite | |||
| Imperative | Plain | chumon shiro | chumon suruna |
| Polite | chumon shite kudasai | chumon shinaide kudasai | |
